Ultra Boost ShoesEnergy-returning shoes with a durable outsole for dedicated runners.Build your endurance with these junior running shoes. With energy-returning boost™ that fills every stride with fresh energy so you can log more miles, the shoes have a sock-like fit that supports your foot through its natural flex. A Continental™ Rubber outsole lets you run in all conditions.boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyDurable knit upper for breathabilitySynthetic overlays for strategic supportTORSION® SYSTEM for midfoot integritySock-like construction for a snug fitRubber outsole grid for amazing feel and transition; Continental™ Rubber outsole for extraordinary grip in wet and dry conditionsImported